Graff's secret watch, with the dial concealed behind a diamond-encrusted panel, doubles as a diamond bracelet and is one of the luxury jewellery designs that are perfect for a bride to wear on her wedding day.

Graff's secret watch, with the dial concealed behind a diamond-encrusted panel, doubles as a diamond bracelet and is one of the luxury jewellery designs that are perfect for a bride to wear on her wedding day.